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화물자동차운송업 종사자들의 고용형태에 따른 직업만족도 비교 연구
유헌종,안승범 대한교통학회 2015 대한교통학회지 Vol.33 No.4
This study aims to analyse the differences of job satisfaction in road freight transportation industry workers by different types of employment. The researchers utilized reliability test and factor analysis to estimate the validity and feasibility of the questionnaire. Multivariate analysis of variance (MANOVA) was also applied to assess the differences of job satisfaction level by different employment types. The results of reliability test and factor analysis clearly show that questionnaire samples are reliable and feasible. The multivariate analysis of variance result shows statistical insignificance in the level of job satisfaction between part-time workers and special type ones. On the other hand, there was a significant difference between full-time workers and those in other types of employment. The significant variables such as income, welfare, and working hour, etc were discovered. 본 연구는 화물운송업 종사자들의 고용형태에 따른 직업만족도 차이를 분석함이 목적이다. 본 연구는 설문항목에 대한 신뢰성·타당성 검토를 위해 신뢰성 분석과 요인분석을 실시하였다. 또한 화물자동차운송업 종사자들의 고용형태에 따른 직업만족도 차이를 살펴보기 위해 다변량 분산분석을 실시하였다. 신뢰성 분석과 요인분석 결과 설문항목들은 신뢰성과 타당성을 확보한 것으로 나타났다. 다변량 분산분석 결과 비정규직과 특수형태근로 간 직업만족도 차이는 전체 항목에서 유의하지 않은 것으로 나타났다. 한편 정규직과 비정규직 간 직업만족도 차이를 분석한 결과, 보수/소득, 업무시간, 작업조건, 복리후생, 직장안정성 항목에서 정규직의 만족도가 비정규직에 비해 유의하게 높은 것으로 나타났다. 또한 정규직과 특수형태근로 간 직업만족도 차이를 분석한 결과 보수/소득, 업무시간, 복리후생, 건강을 돌볼 여유 항목에서 정규직의 만족도가 특수형태근로에 비해 유의하게 높은 것으로 나타났다.
유헌종 대한안전경영과학회 2022 대한안전경영과학회지 Vol.24 No.3
In order to conduct a study on the importance of the wrist joint, which causes a lot of pain among middle-aged people, in relation to work related to musculoskeletal disorders, the effect of stretching on grasping power was studied. In order to compare the grasping power of the wrist for middle-aged people in their 50s, the experiment was conducted by comparing before and after the wrist joint motion stretching. According to the experimental results of wrist gripping power for the control group and the experiment group on wrist gripping power, it was investigated that stretching did not change much in increasing wrist gripping power, but stretching application had an effect on wrist gripping power. In terms of preventing musculoskeletal accidents, reducing pain due to degenerative diseases, and preventing accidents, stretching seems to have an effect when approaching, so it is considered that continuous stretching before and after work is necessary. Therefore, it is suggested that stretching time secured quantitatively through safety and health education before work is necessary.
유헌종,안승범 한국항만경제학회 2014 韓國港灣經濟學會誌 Vol.30 No.4
The purpose of this paper is to examine the causal relationship among the trading volume of Pyeongtaek port, Incheon Inner Harbor, Incheon North Harbor. Methodologically, Granger causality, impulse response function, and variance decomposition based on VAR are used. The results indicate that Pyeongtaek port trading volume positive shock has positive effects on Incheon North Harbor. In addition, Incheon Inner Harbor trading volumes positive shock has negative effects on Pyeongtaek port. The results also suggest that the volume of Pyeongtaek port Granger-causes the volume of Incheon North Harbor, but not vice versa. The volume of Incheon Inner Harbor Granger-causes the volume of Pyeongtaek port. Based on these results, we suggest that port authorities have to focus on policies that would promote copetition between port of Pyeongtaek and Incheon in the world harbor industry. 본 연구는 인천내항, 인천북항, 평택항 간 물동량의 영향관계 분석을 위해 그랜저 인과관계 검정, 벡터자기회귀모형을 사용하였다. 그랜저 인과관계 검정결과 인천내항 물동량은 평택항 물동량의 원인변수임을, 평택항 물동량은 인천북항 물동량의 원인변수임을 확인하였다. 한편, 벡터자기회귀모형을 적용함으로써 얻은 충격반응함수를 통해 인천내항 물동량은 인천북항 물동량, 평택항 물동량과는 음의 관계가 존재함을 알 수 있었고, 인천북항 물동량과 평택항 물동량 간에는 양의 관계가 존재함을 알게 되었다. 또한, 벡터자기회귀모형을 적용함으로써 얻게 된 예측오차 분산분해를 통해 인천내항 물동량의 예측오차는 시간의 경과에 따라 인천북항 물동량의 변동에 의해 설명되는 비중이 커짐을, 평택항 물동량의 예측오차는 시간의 경과에 따라 인천내항 물동량의 변동에 의해 설명되는 비중이 커짐을 알게 되었다. 연구결과 평택항 물동량의 변동이 인천항 전체에 부정적인 영향을 미치는 것은 아니며, 부속 항만에 따라 영향을 달리 받을 수 있음을 알게 되었다. 이는 인천항, 평택항을 운영하는 항만운영 당국간 경쟁과 협력이 모두 가능하다는 것을 보여주며, 상호 협력할 부분과 경쟁할 부분을 명확히 한다면 양항이 함께 발전할 수 있을 것임을 의미한다.
유헌종,임명철,서상수,강석범,유종우,김주영,박상윤 대한부인종양학회 2012 Journal of Gynecologic Oncology Vol.23 No.4
Objective: To evaluate survival and morbidity after pelvic exenteration (PE) for the curative management of recurrent cervical cancer. Methods: We retrospectively evaluated patients with recurrent cervical cancer who underwent PE from January 2001 to April 2011. Patients were identified from the registry of our institution. The clinical status and demographic information was obtained by reviewing the medical records. Results: Sixty-one recurrent cervical cancer patients underwent PE. Patients who received radiotherapy, operation, chemotherapy before PE were 98%, 41%, and 23%, respectively. The total morbidity rate was 44%; 10 (16%) patients had early complications (30 days or less after PE), whereas 22 (36%) patients had late complications. Wound problems were common early complications (7/18), and bowel fistulas were common late complications (9/30). The five-year overall survival and five-year disease-free survival were 56% and 49%, respectively. Median follow-up was 22 months (range, 1.8 to 60 months). Affecting factors for overall survival were resection margin status, pelvic wall and rectal involvement. Conclusion: Our overall 5-year survival is encouraging. Although the morbidity rate is still high, PE is a potentially curative opportunity in gynecological malignancies with no other treatment options. The most important factors for overall survival after PE are the resection margin status, pelvic wall involvement and rectal involvement.
유헌종 대한안전경영과학회 2022 대한안전경영과학회지 Vol.24 No.3
The effect of motion taping on the grasping power of the wrist is investigated and here Based on the data obtained from the This study was conducted to provide a theoretical background for the study. Motion taping was performed on the wrist for middle-aged people between 50s and 60s, and the change in wrist gripping power through an electronic dynamometer was tested. According to the wrist grip test results, it was investigated that the application of motion taping has a great effect on the gripping power of the wrist. It is hoped that motion taping will be a tool to reduce musculoskeletal industrial accidents, and it will be helpful to improve the quality of life of workers by reducing the labor intensity or softening the wrist through motion taping.